Project X

Project X is a movie starring Matthew Broderick, Helen Hunt, and Willie. An Air Force pilot joins a top secret military experiment involving chimps, but begins to suspect there might be something more to the mysterious "Project X".
A young inductee into the military is given the task of looking after some chimpanzees used in the mysterious 'Project X'. Getting to know the chimps fairly well, he begins to suspect there is more to the secret project than he is being told.